<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        ul,
        ol {
            list-style: none;
        }

        .box {
            overflow: hidden;
            position: relative;
            width: 520px;
            height: 280px;
            margin: 100px auto;
        }

        ul {
            height: 100%;
            width: 2080px;
            animation: move 20s infinite;
            animation-timing-function: cubic-bezier(0, 1, 0, 0.99);
            animation-delay: 2s;
        }

        li {
            float: left;
        }

        @keyframes move {
            0% {
                transform: translateX(0px);
            }
            25% {
                transform: translateX(-520px);
            }
            50% {
                transform: translateX(-1040px);
            }
            75% {
                transform: translateX(-1560px);
            }
            /* 100% {
                transform: translateX(-2080px);
            } */
        }

        ol {
            position: absolute;
            left: 50%;
            bottom: 12px;
            transform: translateX(-50%);
            width: 70px;
            height: 13px;
            text-align: center;
            background-color: rgba(255, 255, 255, .6);
            border-radius: 7px;
        }

        ol li {
            float: left;
            width: 8px;
            height: 8px;
            background-color: #fff;
            margin: 2.5px 3px;
            border-radius: 50%;
            cursor: pointer;
        }
    </style>
</head>

<body>
    <div class="box">
        <ul>
            <li>
                <a href="#">
                    <img src="upload/轮1.jpg" alt="">
                </a>
            </li>
            <li>
                <a href="#">
                    <img src="upload/轮2.jpg" alt="">
                </a>
            </li>
            <li>
                <a href="#">
                    <img src="upload/3.jpg" alt="">
                </a>
            </li>
            <li>
                <a href="#">
                    <img src="upload/4.jpg" alt="">
                </a>
            </li>
        </ul>
        <ol>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ol>
    </div>
</body>

</html>